Historically, adjusting bandwidth on AWS Site-to-Site VPNs involved deleting and recreating connections, causing IP address changes and requiring manual device updates. AWS's update enabled switching between standard (up to 1.25 Gbps) and large (up to 5 Gbps) tunnel bandwidths while preserving IPs, CIDRs, and keys. This preserves firewall rules and device settings, streamlining operational overhead.
This enhancement is implemented across numerous AWS regions globally, improving organizational agility in managing VPN bandwidth according to evolving needs without service disruption or complex network reconfiguration.
Source & further reading
AWS Site-to-Site VPN now supports modifying tunnel bandwidth on existing VPN connections ↗Source published 2026-05-06. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.